公开(公告)号：US09049100B2

公开(公告)日：2015-06-02

申请号：US13650718

申请日：2012-10-12

Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

Inventor： Xavier De Foy ,  Hang Liu ,  Serhad Doken ,  Osama Lotfallah ,  Shamim Akbar Rahman

IPC: H04L12/755

CPC classification number: H04L45/021

Abstract: A method and apparatus are described for forwarding content delivery network interconnection (CDNI) signaling. A CDNI router content delivery network (CDN) may establish CDNIs with upstream and downstream CDNs. The CDNI router CDN may receive a CDNI route advertisement message from at least one of the upstream and downstream CDNs. The CDNI router CDN may update at least one end-user-based CDNI routing table based on Internet protocol (IP) address blocks in the CDNI route advertisement message. The CDNI router CDN may transmit an updated CDNI route advertisement message to at least one of the upstream and downstream CDNs. At least one of the upstream and downstream CDNs may update at least one end-user-based CDNI routing table based on the end user IP address blocks in the updated CDNI route advertisement message.

Abstract translation: 描述了用于转发内容传送网络互连（CDNI）信令的方法和装置。 CDNI路由器内容传送网络（CDN）可以建立具有上游和下游CDN的CDNI。 CDNI路由器CDN可以从上游和下游CDN中的至少一个接收CDNI路由通告消息。 CDNI路由器CDN可以基于CDNI路由通告消息中的因特网协议（IP）地址块来更新至少一个基于终端用户的CDNI路由表。 CDNI路由器CDN可以将更新的CDNI路由通告消息发送到上游和下游CDN中的至少一个。 上游和下游CDN中的至少一个可以基于更新的CDNI路由通告消息中的最终用户IP地址块来更新至少一个基于终端用户的CDNI路由表。

公开(公告)号：US20150120833A1

公开(公告)日：2015-04-30

申请号：US14391006

申请日：2013-04-05

Applicant: InterDigital Patent Holdings, Inc.

Inventor： Xavier De Foy ,  Hang Liu ,  Osama Lotfallah

IPC: H04L29/08

CPC classification number: H04L67/2842 ,  H04L67/104 ,  H04L67/1076 ,  H04L67/1097 ,  H04W4/029

Abstract: A method and apparatus are described for providing a dynamic cache function in a network or cloud. A content cache server (CCS) and a lightweight CCS with a dynamic cache function may be deployed in the network or cloud. A tracker may be used to place dynamic cache peers in a peer list, and transmit the peer list to a wireless transmit/receive unit (WTRU). The peer list may include a single peer that is a dynamic cache peer allocated by the tracker to the WTRU, or at least two dynamic cache peers, with one additional “weight” parameter for each dynamic cache peer. The WTRU may connect to the dynamic cache peer with the largest “weight” parameter, and connect to a different dynamic cache peer in the peer list on a condition that the WTRU gets disconnected or gets bad service from the dynamic cache peer with the largest “weight” parameter.

Abstract translation: 描述了用于在网络或云中提供动态高速缓存功能的方法和装置。 内容缓存服务器（CCS）和具有动态缓存功能的轻量级CCS可以部署在网络或云中。 可以使用跟踪器将动态高速缓存对等体放置在对等体列表中，并将对等体列表发送到无线发射/接收单元（WTRU）。 对等体列表可以包括作为由跟踪器分配给WTRU的动态高速缓存对等体或至少两个动态高速缓存对等体的单个对等体，每个动态高速缓存对等体具有一个附加的“权重”参数。 WTRU可以连接到具有最大“权重”参数的动态高速缓存对等体，并且在WTRU从具有最大“权重”参数的动态高速缓存对等体断开或获得不良服务的条件下连接到对等体列表中的不同动态高速缓存对等体 重量“参数。

公开(公告)号：US20140237078A1

公开(公告)日：2014-08-21

申请号：US14348008

申请日：2012-09-28

Applicant: INTERDIGITAL PATENT HOLDINGS INC.

Inventor： Osama Lotfallah ,  Hang Liu ,  Milan Patel ,  Xavier De Foy ,  Kamel M. Shaheen

IPC: H04L29/06

CPC classification number: H04L65/4069 ,  H04L65/4084 ,  H04L67/104 ,  H04L67/2842 ,  H04L67/2847 ,  H04L67/2852 ,  H04L67/2885

Abstract: A method and apparatus for managing content storage subsystems in a communications network are disclosed. The communications network is equipped with a plurality of content storage subsystems. The content storage subsystems store local copies of content to facilitate the delivery and distribution of the content to wireless transmit/receive units, WTRUs. The network, which is equipped with a proxy server and an entry server, receives requests for content or general-purpose data referencing content and determines whether the content is stored in the storage subsystems. In addition, the network also performs content ingestion in order to store copies of the content in the storage subsystems and content modification in order to move content from one storage location to another to achieve optimal content storage and distribution.

Abstract translation: 公开了一种用于管理通信网络中的内容存储子系统的方法和装置。 通信网络配备有多个内容存储子系统。 内容存储子系统存储内容的本地副本，以便于向无线发射/接收单元WTRU传送和分发内容。 配备有代理服务器和入口服务器的网络接收对内容或通用目的数据引用内容的请求，并确定内容是否存储在存储子系统中。 此外，网络还执行内容摄取，以便将内容的副本存储在存储子系统和内容修改中，以便将内容从一个存储位置移动到另一个存储位置以实现最佳内容存储和分发。

公开(公告)号：US20140032714A1

公开(公告)日：2014-01-30

申请号：US13952285

申请日：2013-07-26

Applicant: Interdigital Patent Holdings, Inc.

Inventor： Hang Liu ,  Dan Zhang

IPC: H04L29/08

CPC classification number: H04L67/18 ,  H04L67/2842

Abstract: A method and apparatus are described for publishing location information for a content object. A content router (CR) may desire to publish location information for a content object and determine whether a utility function (e.g., popularity) of the content object is greater than a threshold. The CR may advertise the location information to a plurality of CRs on a condition that the utility function is greater than the threshold. Alternatively, the CR may provide the location information to a resolver as determined by a distributed hash table (DHT) scheme on a condition that the utility function is not greater than the threshold. The length of a name of the content object may be based on the popularity of the content object. Names of less popular content objects may be aggregated to reduce overhead.

Abstract translation: 描述用于发布内容对象的位置信息的方法和装置。 内容路由器（CR）可能希望发布内容对象的位置信息，并且确定内容对象的效用函数（例如，受欢迎程度）是否大于阈值。 在效用函数大于阈值的条件下，CR可以将位置信息通告给多个CR。 或者，CR可以在效用函数不大于阈值的条件下，将分配哈希表（DHT）方案确定的解析器提供位置信息。 内容对象的名称的长度可以基于内容对象的流行度。 较不流行的内容对象的名称可以被聚合以减少开销。

公开(公告)号：US20180316736A1

公开(公告)日：2018-11-01

申请号：US16021535

申请日：2018-06-28

Applicant: InterDigital Patent Holdings, Inc.

Inventor： Osama Lotfallah ,  Hang Liu ,  Yuriy Reznik ,  Eduardo Asbun

IPC: H04L29/06 ,  H04L29/08

CPC classification number: H04L65/4069 ,  H04L65/1083 ,  H04L65/604 ,  H04L65/608 ,  H04L65/80 ,  H04L67/02 ,  H04L67/2804 ,  H04L67/2842 ,  H04L67/2847

Abstract: A multi-hypothesis rate adaptation technique may be performed for one or more wireless multimedia streaming scenarios. Managing a multimedia streaming session may involve sending, by a client, a request for a first portion of content to a server. A response may be received from a proxy. The response may comprise the first portion of content and information associated with a second portion of content available via the proxy. A request may be sent to the proxy for the proxy to deliver the second portion of content to the client. A change in a parameter associated with the multimedia streaming session may be determined based on data received from the proxy. It may be determined to change a rate adaptation. A Wireless Transmit/Receive Unit (WTRU) may be configured to perform the rate adaptation.

公开(公告)号：US09560088B2

公开(公告)日：2017-01-31

申请号：US14860325

申请日：2015-09-21

Applicant: InterDigital Patent Holdings, Inc.

Inventor： Hang Liu ,  Kamel M. Shaheen ,  Milan Patel ,  Xavier De Foy ,  Osama Lotfallah ,  Debashish Purkayastha

IPC: G06F15/16 ,  H04L29/06

CPC classification number: H04L65/4007 ,  H04L65/1083 ,  H04L65/1093 ,  H04L65/4015

Abstract: Techniques for inter-user equipment (UE) transfer (IUT) are disclosed. An application server may receive an IUT request for transfer of a media session toward at least one initial UE such that the media session is to be played by at least two target UEs. The server may determine eligibility for IUT with group synchronization based on the request. The server may send a message to the initial UE that IUT with group synchronization is not allowed on a condition that IUT with group synchronization is not allowed. Further, the server may trigger inter-destination media synchronization (IDMS) for group synchronization of media sessions among the UEs on a condition that IUT with group synchronization is allowed. The media sessions may include a first media session and second media session. The media stream may be played by at least two UEs that are geographically separated after the transfer.

Abstract translation: 公开了用于用户间设备（UE）传送（IUT）的技术。 应用服务器可以接收针对至少一个初始UE传输媒体会话的IUT请求，使得媒体会话将被至少两个目标UE播放。 服务器可以根据请求确定具有组同步的IUT的资格。 服务器可以向初始UE发送消息，在不允许具有组同步的IUT的条件下，不允许具有组同步的IUT。 此外，在允许具有组同步的IUT的条件下，服务器可以触发用于UE之间的媒体会话的组同步的目的地间媒体同步（IDMS）。 媒体会话可以包括第一媒体会话和第二媒体会话。 媒体流可以由传输之后的地理上分离的至少两个UE播放。

公开(公告)号：US20170012966A1

公开(公告)日：2017-01-12

申请号：US15274890

申请日：2016-09-23

Applicant: InterDigital Patent Holdings, Inc

Inventor： Xavier De Foy ,  Kamel M. Shaheen ,  Milan Patel ,  Osama Lotfallah ,  Hang Liu ,  Yousif Targali

IPC: H04L29/06 ,  H04W8/20 ,  H04W8/04 ,  H04W12/08 ,  H04W12/06

CPC classification number: H04L63/0815 ,  H04L41/0893 ,  H04L41/5054 ,  H04L61/1588 ,  H04L63/102 ,  H04W4/50 ,  H04W4/70 ,  H04W8/04 ,  H04W8/20 ,  H04W12/06 ,  H04W12/08

Abstract: An application server receives a request for service from a wireless transmit/receive unit (WTRU) associated with a home network that includes a home subscriber server (HSS) and a bootstrapping server function (BSF) coupled via a Zh reference point. The application server authenticates the WTRU at least in part by (i) redirecting the WTRU to an identity provider co-located with a network application function (IDP/NAF) and coupled to the BSF via a Zn reference point and (ii) receiving an assertion from the WTRU that the IDP/NAF has authenticated the WTRU based on user security settings retrieved from the BSF by the IDP/NAF over the Zn reference point. After authenticating the WTRU, the application server (i) retrieves user-specific Sh-reference-point-type data from the HSS via the IDP/NAF over the Zn and Zh reference points and (ii) provides the service to the WTRU based on the retrieved user-specific Sh-reference-point-type data.

Abstract translation: 应用服务器从与归属网络相关联的无线发射/接收单元（WTRU）接收服务请求，该家庭网络包括通过Zh参考点耦合的归属订户服务器（HSS）和自举服务器功能（BSF）。 应用服务器至少部分地通过（i）将WTRU重定向到与网络应用功能（IDP / NAF）共同定位的身份提供者，并经由Zn参考点耦合到BSF，并且（ii）接收 来自WTRU的断言是，IDP / NAF基于通过Zn参考点通过IDP / NAF从BSF检索的用户安全设置来认证WTRU。 在对WTRU进行认证之后，应用服务器（i）通过Zn和Zh参考点经由IDP / NAF从HSS检索用户特定的Sh参考点类型的数据，并且（ii）基于 检索到的用户特定的Sh参考点型数据。

公开(公告)号：US09544127B2

公开(公告)日：2017-01-10

申请号：US14691121

申请日：2015-04-20

Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

Inventor： Xavier De Foy ,  Milan Patel ,  Kamel M. Shaheen ,  Debashish Purkayastha ,  Osama Lotfallah ,  Hang Liu

IPC: H04B7/00 ,  H04L7/00 ,  H04L29/06 ,  H04L29/08

CPC classification number: H04W4/08 ,  H04L7/0008 ,  H04L65/1016 ,  H04L65/1063 ,  H04L65/1089 ,  H04L65/1093 ,  H04L65/4015 ,  H04L65/403 ,  H04L65/4084 ,  H04L67/10 ,  H04L67/14 ,  H04L67/141 ,  H04W56/001

Abstract: A method and apparatus are described for synchronizing mobile station (i.e., wireless transmit/receive unit (WTRU)) media flows during a collaboration session. Inter-WTRU transfer request messages, flow addition request messages and session update request messages may be exchanged between a plurality of WTRUs and a session continuity control application server (SCC-AS). Each of the messages may include a session description protocol (SDP) attribute line containing time synchronization information (e.g., a presentation time offset (PTO) information element (IE), a media flow group identity (ID) and a synchronization tolerance IE). The SCC-AS may update the time synchronization information and include the updated information in messages it sends to the WTRUs, which may re-synchronize their respective media flows based on the updated time synchronization information.

Abstract translation: 描述了在协作会话期间同步移动台（即，无线发射/接收单元（WTRU））媒体流的方法和装置。 可以在多个WTRU和会话连续性控制应用服务器（SCC-AS）之间交换WTRU间传输请求消息，流添加请求消息和会话更新请求消息。 每个消息可以包括包含时间同步信息（例如，呈现时间偏移（PTO）信息元素（IE）），媒体流组标识（ID）和同步容限IE）的会话描述协议（SDP）属性行。 SCC-AS可以更新时间同步信息，并将更新的信息包括在其发送到WTRU的消息中，其可以基于更新的时间同步信息重新同步其各自的媒体流。

公开(公告)号：US09497627B2

公开(公告)日：2016-11-15

申请号：US13630523

申请日：2012-09-28

Applicant: INTERDIGITAL PATENT HOLDINGS, INC.

Inventor： Xavier De Foy ,  Yousif Targali ,  Kamel M. Shaheen ,  Hang Liu ,  Milan Patel ,  Osama Lotfallah

IPC: H04W12/06 ,  H04W8/20 ,  H04L29/06 ,  H04W4/00 ,  H04L12/24 ,  H04L29/12

CPC classification number: H04L63/0815 ,  H04L41/0893 ,  H04L41/5054 ,  H04L61/1588 ,  H04L63/102 ,  H04W4/50 ,  H04W4/70 ,  H04W8/04 ,  H04W8/20 ,  H04W12/06 ,  H04W12/08

Abstract: A method and apparatus for interworking between a mobile network operator and an application provider are disclosed. A network application function (NAF) may be co-located with an OpenID provider such that an application server may communicate with the NAF to access a home subscriber server (HSS) via a bootstrapping server function (BSF). The interfaces between BSF and HSS, and between BSF and NAF may be enhanced to carry information that is available through Sh interface between the application server and the HSS. When the WTRU is roaming in a visited network, the application server may communicate with the visited network for charging and policing for serving the service request from the WTRU. The application server may be co-located with an NAF, and may authenticate the WTRU using Generic Bootstrapping Architecture, and may communicate with a BSF in a home network via an eZn-proxy function to access an HSS.

Abstract translation: 公开了一种用于移动网络运营商和应用提供商之间的互通的方法和装置。 网络应用功能（NAF）可以与OpenID提供者共同定位，使得应用服务器可以通过自举服务器功能（BSF）与NAF进行通信以访问归属订户服务器（HSS）。 可以增强BSF与HSS之间以及BSF与NAF之间的接口，以承载通过应用服务器与HSS之间的Sh接口可用的信息。 当WTRU在被访问网络中漫游时，应用服务器可以与拜访网络进行通信以进行计费和监管，以从WTRU服务服务请求。 应用服务器可以与NAF共同定位，并且可以使用通用引导架构认证WTRU，并且可以经由eZn代理功能与家庭网络中的BSF进行通信以访问HSS。

公开(公告)号：US20160294941A1

公开(公告)日：2016-10-06

申请号：US15183308

申请日：2016-06-15

Applicant: InterDigital Patent Holdings, Inc.

Inventor： Xavier De Foy ,  Shamim Akbar Rahman ,  Serhad Doken ,  Milan Patel ,  Osama Lotfallah ,  Hang Liu

IPC: H04L29/08 ,  H04L12/66

CPC classification number: H04L67/1093 ,  H04L12/66 ,  H04L67/1046 ,  H04L67/1063 ,  H04L67/1091 ,  H04L67/14 ,  H04L67/2852

Abstract: Disclosed herein are methods and systems for integrating peer-to-peer (P2P) networks with content delivery networks (CDNs). In an embodiment, a method for use in a network storage control peer (NSCP) supporting P2P operation includes receiving swarm stats from a tracker; determining, based on the received swarm stats, a P2P rarity associated with a content piece; and responsive to the determined P2P rarity, transmitting an upload request message to an ingestion gateway, wherein the upload request message indicates that the content piece is to be uploaded to a CDN.

Abstract translation: 本文公开了用于将对等（P2P）网络与内容传送网络（CDN）集成的方法和系统。 在一个实施例中，在支持P2P操作的网络存储控制对等体（NSCP）中使用的方法包括从跟踪器接收群组统计信息; 基于所接收的群体统计确定与内容片段相关联的P2P稀有度; 并且响应于所确定的P2P稀有性，向摄取网关发送上传请求消息，其中所述上载请求消息指示所述内容片段将被上载到CDN。